Military Wedge Formation. The first time i was exposed to this was while conducting training with an army special forces. In the inverted wedge, two units advance abreast.
Infantry still uses the column and the line. Web a few contemporary writers describe how greek fire could be efficiently combatted using sand and strong vinegar, but the process of making greek fire remained. Web the wedge formation is one of the basic offensive military formations used by the many different commanders throughout the series.